Molecules Vocab

Question 1

2 or more atoms held together by a chemical bond

Answer 1

Molecule

Question 2

Connection between atoms

Answer 2

Chemical bond

Question 3

Representation of an object

Answer 3

Model

Question 4

The atoms that make up a molecules and the specific quantity

Answer 4

Atomic composition

Question 5

A molecule whose atoms occur in a constant ratio and repeated pattern

Answer 5

Extended structure

Question 6

The specific way atoms are arranged

Answer 6

Chemical structure

Question 7

Structure of atoms or molecules in a 3D pattern

Answer 7

Crystal

Question 8

Structure of molecules with a repeating chain pattern

Answer 8

Polymer

Question 9

Glucose and fructose both have an atomic composition of C6,H12,O6 but they are different molecules. What is most likely the major difference between them?

Answer 9

The structure/pattern

Question 10

List 2 differences between crystals and polymers. Hint: one is shape and one is composition.

Answer 10

Polymers are only molecules, and crystals are in a repeating pattern. Crystals are 3D and polymers are chains

Question 11

What is an element?

Answer 11

One of the squares on the periodic table. It can’t be broken down.

Question 12

What is an atom?

Answer 12

The smallest unit of an element

Question 13

What is a molecule?

Answer 13

2 or more atoms held together by a chemical bond

Question 14

When making molecule models, what do the beads represent? The sticks?

Answer 14

Beads = atoms Sticks = chemical bonds

Question 15

Can you have 2 different crystals that are made of the same atom?

Answer 15

Yes, but the structures would be different

Question 16

C3 H4 has how many elements? Atoms?

Answer 16

2 elements. ( Carbon and Hydrogen ) and 7 atoms. Ratio: 3:4